47323705 has 32 divisors (see below), whose sum is σ = 67390848. Its totient is φ = 31711680.

The previous prime is 47323691. The next prime is 47323709. The reversal of 47323705 is 50732374.

It is not a de Polignac number, because 47323705 - 2⁹ = 47323193 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47323709) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86242 + ... + 86788.

It is an arithmetic number, because the mean of its divisors is an integer number (2105964).

Almost surely, 2^47323705 is an apocalyptic number.

It is an amenable number.

47323705 is a deficient number, since it is larger than the sum of its proper divisors (20067143).

47323705 is a wasteful number, since it uses less digits than its factorization.

47323705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 576 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 47323705 is about 6879.2227031838. Note that the first 3 decimals coincide. The cubic root of 47323705 is about 361.7092203133.

The spelling of 47323705 in words is "forty-seven million, three hundred twenty-three thousand, seven hundred five".